Dell EqualLogicST1800MM0008, 61H3H 1.8TB 10kRPM SAS 12Gb/s 2.5" Hard Drive offers storage capacity of 1.8TB with rotational speed of 10,000 rotations per minute and data transfer rate of 12gb/second hence making it one of the faster hard drive with rapid read and write performance. This hard drive is compatible with EqualLogic SAN 2.5 inch SAS Interface